/*************************
  Coppermine Photo Gallery
  ************************
  Copyright (c) 2003-2009 Coppermine Dev Team
  v1.1 originally written by Gregory DEMAR

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License version 3
  as published by the Free Software Foundation.
  
  ********************************************
  Coppermine version: 1.4.21
  $HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/scripts.js $
  $Revision: 5728 $
  $Author: gaugau $
  $Date: 2009-03-02 09:25:17 +0100 (Mo, 02 Mär 2009) $
**********************************************/


// Global lookup arrays for base64 conversions
var enc64List, dec64List;
// Load the lookup arrays once
function initBase64() {
    enc64List = new Array();
    dec64List = new Array();
    var i;
    for (i = 0; i < 26; i++) {
        enc64List[enc64List.length] = String.fromCharCode(65 + i);
    }
    for (i = 0; i < 26; i++) {
        enc64List[enc64List.length] = String.fromCharCode(97 + i);
    }
    for (i = 0; i < 10; i++) {
        enc64List[enc64List.length] = String.fromCharCode(48 + i);
    }
    enc64List[enc64List.length] = "+";
    enc64List[enc64List.length] = "/";
    for (i = 0; i < 128; i++) {
        dec64List[dec64List.length] = -1;
    }
    for (i = 0; i < 64; i++) {
        dec64List[enc64List[i].charCodeAt(0)] = i;
    }
}

function base64Encode(str) {
    var c, d, e, end = 0;
    var u, v, w, x;
    var ptr = -1;
    var input = str.split("");
    var output = "";
    while(end == 0) {
        c = (typeof input[++ptr] != "undefined") ? input[ptr].charCodeAt(0) : 
            ((end = 1) ? 0 : 0);
        d = (typeof input[++ptr] != "undefined") ? input[ptr].charCodeAt(0) : 
            ((end += 1) ? 0 : 0);
        e = (typeof input[++ptr] != "undefined") ? input[ptr].charCodeAt(0) : 
            ((end += 1) ? 0 : 0);
        u = enc64List[c >> 2];
        v = enc64List[(0x00000003 & c) << 4 | d >> 4];
        w = enc64List[(0x0000000F & d) << 2 | e >> 6];
        x = enc64List[e & 0x0000003F];
        
        // handle padding to even out unevenly divisible string lengths
        if (end >= 1) {x = "=";}
        if (end == 2) {w = "=";}
        
        if (end < 3) {output += u + v + w + x;}
    }
    // format for 76-character line lengths per RFC
    var formattedOutput = "";
    var lineLength = 76;
    while (output.length > lineLength) {
      formattedOutput += output.substring(0, lineLength) + "\n";
      output = output.substring(lineLength);
    }
    formattedOutput += output;
    return formattedOutput;
}

function base64Decode(str) {
    var c=0, d=0, e=0, f=0, i=0, n=0;
    var input = str.split("");
    var output = "";
    var ptr = 0;
    do {
        f = input[ptr++].charCodeAt(0);
        i = dec64List[f];
        if ( f >= 0 && f < 128 && i != -1 ) {
            if ( n % 4 == 0 ) {
                c = i << 2;
            } else if ( n % 4 == 1 ) {
                c = c | ( i >> 4 );
                d = ( i & 0x0000000F ) << 4;
            } else if ( n % 4 == 2 ) {
                d = d | ( i >> 2 );
                e = ( i & 0x00000003 ) << 6;
            } else {
                e = e | i;
            }
            n++;
            if ( n % 4 == 0 ) {
                output += String.fromCharCode(c) + 
                          String.fromCharCode(d) + 
                          String.fromCharCode(e);
            }
        }
    }
    while (typeof input[ptr] != "undefined");
    output += (n % 4 == 3) ? String.fromCharCode(c) + String.fromCharCode(d) : 
              ((n % 4 == 2) ? String.fromCharCode(c) : "");
    return output;
}

function captcha() {
	initBase64();
	var str = 'PGlucHV0IHR5cGU9ImhpZGRlbiIgbmFtZT0iY2FwdGNoYSIgdmFsdWU9ImdvdGNoYSI+';
	document.getElementById('hihodiv').innerHTML = base64Decode(str);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function writeCookie(name, data, noDays){
  var cookieStr = name + "="+ data
  if (writeCookie.arguments.length > 2){
    cookieStr += "; expires=" + getCookieExpireDate(noDays)
    }
  document.cookie = cookieStr
}

function readCookie(cookieName){
   var searchName = cookieName + "="
   var cookies = document.cookie
   var start = cookies.indexOf(cookieName)
   if (start == -1){ // cookie not found
     return ""
     }
   start += searchName.length //start of the cookie data
   var end = cookies.indexOf(";", start)
   if (end == -1){
     end = cookies.length
     }
   return cookies.substring(start, end)
}

function blocking(nr, cookie, vis_state)
{
        if (document.layers)
        {
                current = (document.layers[nr].display == 'none') ? vis_state : 'none';
                if (cookie != '')
                        writeCookie(nr, current);
                document.layers[nr].display = current;
        }
        else if (document.all)
        {
                current = (document.all[nr].style.display == 'none') ? vis_state : 'none';
                if (cookie != '')
                        writeCookie(nr, current);
                document.all[nr].style.display = current;
        }
        else if (document.getElementById)
        {
                display = (document.getElementById(nr).style.display == 'none') ? vis_state : 'none';
                if (cookie != '')
                        writeCookie(nr, display);
                document.getElementById(nr).style.display = display;
        }
}


function adjust_popup()
{
        var w, h, fixedW, fixedH, diffW, diffH;
        if (document.documentElement && document.body.clientHeight==0) {     // Catches IE6 and FF in DOCMODE
                fixedW = document.documentElement.clientWidth;
                fixedH = document.documentElement.clientHeight;
                window.resizeTo(fixedW, fixedH);
                diffW = fixedW - document.documentElement.clientWidth;
                diffH = fixedH - document.documentElement.clientHeight;
                w = fixedW + diffW + 16; // Vert Scrollbar Always On in DOCMODE.
                h = fixedH + diffH;
                if (w >= screen.availWidth) h += 16;
        } else if (document.all) {
                fixedW = document.body.clientWidth;
                fixedH = document.body.clientHeight;
                window.resizeTo(fixedW, fixedH);
                diffW = fixedW - document.body.clientWidth;
                diffH = fixedH - document.body.clientHeight;
                w = fixedW + diffW;
                h = fixedH + diffH;
                if (h >= screen.availHeight) w += 16;
                if (w >= screen.availWidth)  h += 16;
        } else {
                fixedW = window.innerWidth;
                fixedH = window.innerHeight;
                window.resizeTo(fixedW, fixedH);
                diffW = fixedW - window.innerWidth;
                diffH = fixedH - window.innerHeight;
                w = fixedW + diffW;
                h = fixedH + diffH;
                if (w >= screen.availWidth)  h += 16;
                if (h >= screen.availHeight) w += 16;
        }
        w = Math.min(w,screen.availWidth);
        h = Math.min(h,screen.availHeight);
        window.resizeTo(w,h);
        window.moveTo((screen.availWidth-w)/2, (screen.availHeight-h)/2);
}

function show_section(e) {
    if (document.getElementById(e).style.display == 'none') {
        document.getElementById(e).style.display = 'block';
    } else {
        document.getElementById(e).style.display = 'none';
    }
}


function expand()
{
        var Nodes = document.getElementsByTagName("table")
        var max = Nodes.length
        for(var i = 0;i < max;i++) {
                var nodeObj = Nodes.item(i)
                var str = nodeObj.id
                if (str.match("section")) {
                        nodeObj.style.display = 'block';
                }
        }
}

function hideall()
{
        var Nodes = document.getElementsByTagName("table")
        var max = Nodes.length
        for(var i = 0;i < max;i++) {
                var nodeObj = Nodes.item(i)
                var str = nodeObj.id
                if (str.match("section")) {
                        nodeObj.style.display = 'none';
                }
        }
}